100451020273 has 4 divisors (see below), whose sum is σ = 100488407040. Its totient is φ = 100413633508.

The previous prime is 100451020259. The next prime is 100451020301. The reversal of 100451020273 is 372020154001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100451020273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100451020213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18689353 + ... + 18694726.

It is an arithmetic number, because the mean of its divisors is an integer number (25122101760).

Almost surely, 2^100451020273 is an apocalyptic number.

It is an amenable number.

100451020273 is a deficient number, since it is larger than the sum of its proper divisors (37386767).

100451020273 is an equidigital number, since it uses as much as digits as its factorization.

100451020273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37386766.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 100451020273 its reverse (372020154001), we get a palindrome (472471174274).

The spelling of 100451020273 in words is "one hundred billion, four hundred fifty-one million, twenty thousand, two hundred seventy-three".